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Table 1 Baseline data of the two treatment groups.

From: Pharmacological strategies to reduce pruritus during postoperative epidural analgesia after lumbar fusion surgery - a prospective randomized trial in 150 patients

   Group B Group R
Women/men 43/33 44/30
Age ± SD 51.6 ± 10.2 50.2 ± 10.6
Diagnosis Spondylolysis/-olisthesis 17 13
  Disk herniation 2 4
  Spinal stenosis 26 18
  Degenerative disc disease 28 34
  Non-union of previous fusion 3 5
Treatment Decompression and posterior fusion 27 24
  Posterior fusion without decompression 16 21
  Posterior lumbar interbody fusion 33 29
Levels fused 1 53 43
  2 19 27
  3 4 2
  4 0 2